alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Generic Malware CnC Activity - (Unix Timestamp In HTTP URI)";
flow:established,to_server;
urilen:11;
http.method;
content:"GET";
http.uri;
pcre:"/^\x2f\d{10}$/";
http.user_agent;
content:"WindowsPowerShell/"; fast_pattern;
http.header_names;
content:!"|0d 0a|referer|0d 0a|"; nocase;
reference:md5,f4ee2d49e1a99151ad151078779e9cc5;
classtype:trojan-activity;
sid:2061376; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_04_08, deployment Perimeter, confidence Medium, signature_severity Critical, updated_at 2025_04_08;
target:src_ip;
)